Chemical Engineering & Processing volume 44

Issue 1 ......Page 1 Introduction......Page 5 Experiments......Page 6 Results and discussion......Page 7 References......Page 10 Introduction......Page 11 Computational fluid dynamics approach......Page 12 Pressure drop prediction under different operating temperature......Page 13 References......Page 15 The potential environmental impact of a chemical process......Page 17 PEI rate-law expression......Page 18 Case study......Page 19 The effect of back-mixing on environmental performance......Page 20 Not considering PEI of A......Page 21 The effect on Igen......Page 22 Discussion......Page 23 Nomenclature......Page 24 References......Page 25 Introduction......Page 26 Experimental method......Page 27 Distribution of metals among the constituents of activated sludge mixed liquor......Page 28 Results and discussion......Page 29 Distributions of different metal forms in the sludge......Page 30 Conclusions......Page 33 References......Page 34 Introduction......Page 36 Thermal conductivity lambdaeff [11,14]......Page 37 Two-dimensional model......Page 38 Results......Page 39 References......Page 41 Tuning of proportional only (P-only) controllers......Page 43 Tuning of proportional-integral (PID) controllers......Page 45 Systems with inverse response and time delay......Page 46 Control of integrating processes with time delay and inverse response (IPTD&IV)......Page 47 Control of an unstable process......Page 48 Control of first order processes with large time delay (FOPTD)......Page 49 References......Page 51 Introduction......Page 52 Representation of the results......Page 53 Effect of membrane thickness......Page 54 Effect of temperature on pervaporation......Page 55 Effect of feed composition......Page 56 Effect of pressure on pervaporation......Page 57 References......Page 58 Introduction......Page 60 The newly developed gamma ray computed tomography (CT) scanner design......Page 62 Collimator slit width and radioactive source strength......Page 63 CT scan evaluation......Page 64 Liquid distribution in the bed of corrugated structured packing......Page 65 References......Page 69 Introduction......Page 71 Preparation and characterisation of the adsorbent......Page 72 Comparison of three typical cycles......Page 73 Efficiency of the ANG process......Page 75 Experimental profiles of the mean ratios for nitrogen, i-butane, n-butane, i-pentane, n-pentane, and the hydrocarbons with molecular weight higher than n-pentane (C6+)......Page 77 References......Page 79 Introduction......Page 80 Experimental setup......Page 81 Gas holdup......Page 82 Bubble rise velocity......Page 83 Bubble size distribution......Page 84 Conclusions......Page 85 References......Page 86 Introduction......Page 87 Model formulation......Page 88 Fuzzy multi-criteria optimization......Page 92 Numerical example......Page 93 References......Page 97 Introduction......Page 99 Reactor model......Page 101 Minimum batch time problem (P2)......Page 102 Sequential approach......Page 103 Generic model control (GMC)......Page 104 Application of GMC controller to the batch reactor......Page 105 Maximum conversion problem (P1)......Page 106 Temperature set point profile determined on-line with GMC controller......Page 107 Minimum time problem (P2)......Page 109 Nomenclature......Page 111 References......Page 112 Experimental......Page 113 Results and discussion......Page 114 Nomenclature......Page 116 References......Page 117 Introduction......Page 118 Volumetric mass transfer coefficient......Page 121 Mass transfer coefficient......Page 123 Effect of surfactants......Page 124 Effect of diluted gas (air) absorption......Page 125 Nomenclature......Page 126 References......Page 127 Introduction......Page 128 Selection of a suitable entrainer for the separation of n-hexane-ethyl acetate mixtures by heterogeneous azeotropic batch distillation......Page 129 Simulation of the separation of the mixture n-hexane-ethyl acetate by heteroazeotropic batch distillation using acetonitrile......Page 131 References......Page 133 16. Inside front cover - Editorial Board.pdf......Page 135 1. Special issue on conveying and handling of particulate solids.pdf......Page 136 Ph.D. programnme......Page 138 Pressure gradient data......Page 140 Scaling parameters......Page 141 Pipeline bends......Page 142 Glasgow......Page 143 Pipeline bends......Page 144 High-pressure conveying......Page 145 References and publications......Page 146 Introduction......Page 149 Experimental......Page 150 Results......Page 151 Nomenclature......Page 152 References......Page 153 Introduction......Page 154 The take-off criterion......Page 155 Modelling of the pavement......Page 157 Numerical results......Page 158 Nomenclature......Page 160 References......Page 161 Characteristics of slug flow - DEM modelling......Page 162 Experimental analysis......Page 166 References......Page 168 Introduction and approach......Page 169 Material......Page 170 Comments on the process function......Page 171 Concept for determination......Page 172 Experimental setup and parameters......Page 173 Correlation between single particle experiments and material properties......Page 174 Conclusions......Page 177 Nomenclature......Page 178 References......Page 179 Introduction......Page 180 Theoretical model......Page 181 Numerical results and discussion......Page 182 References......Page 184 The precipitation theory......Page 186 Experimental......Page 187 Experimental results and discussion......Page 188 Conclusion......Page 192 References......Page 193 Crystallisation with supercritical processes......Page 194 Cocoa butter particle generation......Page 195 Particle formation experiments......Page 197 Perspectives and conclusion......Page 199 References......Page 200 Background and objectives......Page 201 Identification of problems, knowledge barriers and research challenges and opportunities......Page 202 Dust prevention and control......Page 203 Education......Page 204 Acknowledgements......Page 205 References......Page 206 High pressure fluidized-bed device......Page 207 Calculation of layer thickness......Page 208 Fluidization......Page 209 Conclusions......Page 210 References......Page 211 Experimental......Page 212 Results and discussion......Page 213 Crystallinity......Page 214 References......Page 215 Introduction......Page 216 Reduction of the converter flue dust and the hot plating sludge......Page 217 Synthesis of zinc ferrites......Page 219 References......Page 220 Introduction......Page 221 Hydrodynamics and particle velocity......Page 222 Sand coating with fused plastic......Page 223 Nomenclature......Page 224 References......Page 225 Aim of the study......Page 226 Experimental set-up and methods......Page 227 Results......Page 228 Conclusions......Page 231 References......Page 232 Concept of product engineering......Page 233 Modeling of population dynamics......Page 234 Stabilization during precipitation......Page 236 Stabilization during wet milling......Page 238 References......Page 239 Introduction......Page 241 Experimental procedure......Page 242 Steel surface......Page 243 Coal surface......Page 244 Comparison of three different types of impact surface tested with three types of cushioning samples (Cushioned coal, Initial 10% fines and Initial 30% fines)......Page 245 Comparison of two types of coal tested on three surfaces......Page 246 Degradation model of South Blackwater coal on three impact surfaces......Page 247 References......Page 248 Description of the model......Page 250 Results and discussion......Page 251 References......Page 253 Introduction......Page 254 Application of the theory of Markov chains to model steady-state parameters of complex circuits......Page 255 Closed circuit milling system......Page 257 Network of classifiers......Page 258 References......Page 259 Mathematical model......Page 260 Results and discussion......Page 262 Conclusions......Page 263 References......Page 264 Introduction......Page 265 Gravitational-crossflow zone......Page 266 Air classifiers types and designs......Page 267 Fluidized bed classifiers......Page 268 Inertial air classifiers......Page 269 Circulating air classifiers......Page 270 References......Page 271 Introduction......Page 272 Venturi separator......Page 273 Analysis of particle forces in the venturi......Page 274 Discussion......Page 275 Conclusions......Page 276 Introduction......Page 277 Results and discussions......Page 279 References......Page 280 Modeling using homogenization theory......Page 281 Process dynamics (PD)......Page 282 Comparison of PD with simulations......Page 283 References......Page 285 Introduction......Page 287 Powder blend homogeneity: macro and micro considerations......Page 288 Methodology for detecting structural defaults......Page 290 Experimental set up development and methodologies......Page 291 Electrical capacitance set up......Page 292 Experimental rig and mixers......Page 293 Following the discharge profile through a funnel......Page 294 Kinetics of mixing in a laboratory drum mixer: the Rotocube......Page 295 References......Page 296 Introduction......Page 298 Dynamic model......Page 299 Dynamic results: filling phase of the kiln......Page 301 Dynamic results: transient response to a step in operating parameters......Page 302 Details for the development of the dynamic equation......Page 303 References......Page 304 Dust generation and air entrainment......Page 305 Experimental facility and results......Page 306 Dust explosion hazards......Page 307 References......Page 308 Introduction......Page 309 Results and discussion......Page 310 References......Page 315 29. Inside front cover - Editorial Board.pdf......Page 317